Ball for trailer hitch



FIG. 1 is an isometric view of the ball for trailer hitch showing our design;

FIG. 2 is a front elevational view which is the same as the rear elevational view thereof;

FIG. 3 is a right side elevational view which is the same as the left side elevational view thereof;

FIG. 4 is a top view thereof; and,

FIG. 5 is a bottom view thereof. 

The ornamental design for ball for trailer hitch, shown and described. 